import { Component } from '@angular/core';

@Component({
  selector: 'app-root',
  templateUrl: './app.component.html',
  styleUrls: ['./app.component.css']
})
export class AppComponent {
  title = 'app';
  kls=[{
    title:"指数与对数运算",
    summaries:[
      {content:"指数概念",level:1},
      {content:"指数运算规则",level:2},
      {content:"指数内容",level:3}
    ]
  },{
    title:"指数与对数运算",
    summaries:[
      {content:"指数概念",level:1},
      {content:"指数运算规则",level:2},
      {content:"指数内容",level:3}
    ]
  }];
}
